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<h2><span class="refentrytitle">Macro BOOST_MPI_HAS_MEMORY_ALLOCATION</span></h2>
<p>BOOST_MPI_HAS_MEMORY_ALLOCATION &#8212; Define this macro to avoid expensice MPI_Pack/Unpack calls on homogeneous machines. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="mpi/reference.html#header.boost.mpi.config_hpp" title="Header &lt;boost/mpi/config.hpp&gt;">boost/mpi/config.hpp</a>&gt;

</span>BOOST_MPI_HAS_MEMORY_ALLOCATION</pre></div>
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<a name="idp118143232"></a><h2>Description</h2>
<p>Determine if the MPI implementation has support for memory allocation.</p>
<p>This macro will be defined when the underlying MPI implementation has support for the MPI-2 memory allocation routines <code class="computeroutput">MPI_Alloc_mem</code> and <code class="computeroutput">MPI_Free_mem</code>. When defined, the <code class="computeroutput">allocator</code> class template will provide Standard Library-compliant access to these memory-allocation routines. </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2005-2007 Douglas Gregor,
      Matthias Troyer, Trustees of Indiana University<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">
        http://www.boost.org/LICENSE_1_0.txt </a>)
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